Roof-bracket.



PATENTED JAN. 20,1903.

' J; L. CHASE.

ROOF BRACKET. .A'PPLIOATION FILED my 31, 1902.

Sterne PATENT FFICE.

JAMES L. CHASE, OF AYER, MASSACHUSETTS, ASSIGNOR OF ONE-HALF TO GEORGEHEMENWAY, OF AYER, MASSACHUSETTS.

ROGF-BRACKET.

SPECIFICATION forming part of Letters Patent No. 718,602, dated January20, 1903.

Application filed May 31, 1902. Serial No. 109,638. (No model.)

To all whom it may concern: In the present embodiment of my inven-Beitknown thatI,JAMEsL.CHAsE,a citizen tion the base is shown as anelongated flat of the United States, residing at-Ayer, in the barB,conveniently made of wood and adapted county of Middlesex and State ofMassachuwhen in use to rest fiat upon the roof or other setts,haveinvented an Improvementin Roofinclined plane R, Fig. 1, and ametallic hook- 55 Brackets, of which the following description, likeridge-holder B is rigidly secured to the in connection with theaccompanying drawupper end of the base. The opposite longiings, is aspecification, like characters on the tudinal sides of the base arebeveled or downdrawings representing like parts. wardly inclined, as atZ) b, Fig. 2, so that the This invention relates to brackets designedupper edges overhang the lower edges, and I 6c for use on pitch-roofs orother inclined surprefer to protect the inclined sides with mefaces; andit has for its object the productallic shoes b which present a smoothand tion of a strong and simple bracket which durable wearing-surfacefor the connections can be instantly applied to or removed from betweenthe base and the platform-support a r0ofslate or shinglewithout the useof and its brace and also stiifen and strengthen clamps, prongs, orother devices which are the base. A series of holes b, Fig. 1, is madedesigned to enter the roof-covering. in the base, preferably along itsmedian line, My novel roof bracket comprises three and suitably spacedapart. principal members, a base to rest upon the The manner in whichthe ridge-holder B 20 roof, a platform-support, and a brace, the engagesthe ridge of the roof is shown clearly three being slidably andpivotally connected in Figs. 1 and 3. in such mannerthattheplatform-support can A slide 0 is mounted on the base and is be madehorizontal whatever the inclination longitudinally movable thereon, saidslide or pitch of the roof, means being provided to being made of metaland having opposite 25 prevent movement of the platform-supportdownwardly-inclined sides 0 to embrace the and brace relatively to eachother and to the base, and two upturned, parallel, and elonbase whensaid parts have been adjusted. gated ears 0 are formed on the slide,pro- In United States Patent No. 681,649, grantvided with two sets ofholes 0 0 A second ed. to me -August 27, 1901, I have shown a and verysimilar slide D is also mounted on 30 roof-bracketforthe'purposes setforth hereinthe base, its downturned sides 01 embracing before, and mypresent invention is an imthe base, and upturned earsd are provided,provement thereover in various details of arbut with only one set ofholes, to receive a rangement and construction. pivot-pin d.

The various novel features of my invention The platform-support P isherein shown as 35 will be fully described hereinafter and para stoutrigid rectangular bar, preferably of ticularly pointed out in thefollowing claims. wood, of suitable length and. of such width as Figure1 is a perspective view of a portion it will easily enter between theears 0 of the of a pitch-roof with two brackets embodying slide 0, and Iprefer to have the longitudinal my present invention shown in operativearsides thereof shod with metal, as at p for a 0 rangement, theplatforms being omitted for portion of their length. A transverse hole19 the sake of clearness of illustration. Fig. 2 is made in theplatform-support near one end, is a lower end view, enlarged, of thebase, Figs. 1 and 3, and such end may be protected showing the crosssectional shape thereof and strengthened by a metal strap 10, if deandthe lower slide thereon with the lower sired. Along the metal-shodportion of the 45 end of the brace connected with the slide;platform-support aseries of transverse holes and. Fig. 3 is an enlargeddetail, in side elep are made extending from one to the other vation, ofthe upper end of the base and the side for a purpose to be described. Aconplatform-support connected with the upper necting-pin 12 is passedthrough the holes 0 slide when the platform is used at the roofand oneof the holes 19 of the platform-sup- 50 ridge. port when it is to beused at the ridge, as 10;

shown at the upper part of Fig. 1 and in Fig. 3, so that the platformcan be erected right across the ridge, if desired, the slide C thenbeing at its highest point on the base and held from downward movementby a stop-pin inserted in the uppermost hole Z) in the base. Similarly astop-pin (Z retains the slide D from downward movement on the base. (SeeFig. 1.)

When the platform is to be erected below the ridge, the slide 0 is heldby it stop-pin at the desired height, as shown at the lower part of Fig.l, and the connecting-pin 12 is then passed through the end hole 13 ofthe platform-support P and through either of the holes 0 c in the ears cThe metal-shod portion of the platformsupport has mounted upon it aslide P having depending parallel ears 19 which extend below theplatform-support and are provided with holes near their lower ends andalso with holes adapted to register with the opposite ends of one of theholes 12 to receive a locking-pin p which locks the slide P at anydesired place on the platform-support.

A rigid bar H, constituting a brace, has its upper end inserted betweenthe ears of the slide P and is pivotally connected therewith by a pin pextended through the lower set of holes in the ears 19 The pin d ispassed through a transverse hole in the lower end of the brace insertedbetween the upturned ears (I of the slide D, and the brace is connectedpivotally at its opposite ends with the slides P and D, respectively.

Manifestly the platform-support must be maintained in substantiallyhorizontal position, and when its inner end has been set at the desiredheight by adjustment of the slide 0 the slides D and P are moved untilthe brace is substantially vertical and the platform-support 1horizontal. The slide P is then locked in place, and by means of thestop-pin (Z the slide D is held from downward movement along the base,the brace and platform-support being thus held from movement relativelyto each otherand to the base while still connected by slidable andpivotal couplings or connections. If desired, the ends of the brace maybe strengthened by metal straps 71.

For the purpose of most clearlyillustrating my invention I have shown apair of roofbrackets in Fig. 1 and with the platform-supports P arrangedslightly above the ridge in the upper part of the said figure, while thelower part shows the platform-supports arranged for work at a lowerlevel.

While one base member may be utilized to sustain two platform supportsand their braces at one time, I prefer to have only one platform-supportand brace for each base and to adjust as may be necessary.

It will be obvious that the planking for the platform will be laid uponthe platform-supports P, affording a strong stable staging for theworkmen.

When in use, the lower ends of the bases of a pair of brackets areconnected by a link M, having its ends hooked into eyes 12 on the bases,and a rod N is extended through the outermost hole p of eachplatform-support and clamped to the latter by set-bolts p in the ends ofthe support-s. The bracket-base rests firmly on the roof, and the weightwhich the platform may have to support is distributed over a veryconsiderable area of the roof. The brace is subjected to compression bythe weight on the platform, and the greater the weight the more firmlywill the bracket be held thereby on the roof.

From the foregoing description and the drawings it will be manifest thatrepairs to a chimney or roof can be made with equal faeility whateverthe roof pitch, the location of the chimney relative to the ridge of theroof, and the part of the latter at which repairs are to bemade. It willalso be manifest that the bracket can be used for wallwork by hookingthe holder B over awindow-sill, 850., and suspending the base, the braceand platform-support being adjusted with the latter in horizontalposition.

If desired, the stop-pins 0 d 'may be attached to the platform supportand brace, respectively, by a chain or other flexible connection, as inFig. 1; but if so a separate pin mustbe used to hold the slide 0 inplace when the platform-support is positioned as shown in Fig. 3 and theupper part of Fig. 1.

The connecting-pin 12 is preferably made with a head at one end and athreaded opposite end to receive a suitable thumb-nut 18, preventingaccidental withdrawal of the pin.

My invention is not restricted to the precise construction herein shownand described, as the same may be modified or changed in various detailsby those skilled in the art without departing from the spirit and scopeof my invention.

Having described my invention, what I claim, and desire to secure byLetters Patent, 1s-

1. A roof-bracket comprising an elongated base, a hook-like ridge-holder connected therewith, a platform-support slidably connected atone end with the base, a brace, sliding couplings between one endthereof and the platform-support and sliding couplings between the otherend thereof and base, and separate means to prevent movement of theplatformsupport and brace relatively to each other and to the base whenin adjusted position.

2. A roof-bracket comprising an elongated base having a rigidly-attachedridge-holder at one end, two slides mounted on and longitudinallymovable upon the base, a platformsupport pivotally connected with one ofthe slides, a brace pivotally connected at one end with the other slide,a slide longitudinally movable on the platform-support and pivotallyconnected with the other end of the brace, and a stop for each slide, tohold the same in adjusted position and prevent relative movement of thebase, platform-support,and brace.

3. A roof-bracket comprising anelongated base adapted to rest upon theroof and having rigidly secured to one end a holder, to engage theridge, two slides partly embracing the base and movable longitudinallythereupon as a guideway, a rigid platform-support pivotally connected atits inner end with the slide nearer the ridge-holder,alongitudinallymovable slide on the platform-'support,a brace pivotallyconnected at one end With said slide beneath the platform-support and atits other end pivotally connected with the lower slide on the base, andstops for the several slides, to prevent movement thereof on the baseand the platform-support respectively.

4. A roof-bracket comprising an elongated base adapted to rest upon theroof and having at one end a ridge-holder, a platform-support slidablyand pivotally connected with the base, a brace pivotally and slidablyconnected at one end with the base, and pivotally and slidably connectedat its other end with the platform-support, and means separate from saidpivotal and slidable connections for preventing movement of. theplatform-support and brace relatively to each other and to the base.

5. A roof-bracket comprising an elongated base having a series of holestherein, a ridgeholder secured to one end thereof, a slidelongitudinally movable on the base, a platformsupport pivotallyconnected at its inner end with the slide, a stop-pin to enter one ofthe holes in the base below the slide and prevent descent thereof; asecond slide on the base, a brace pivotally connected at its lower endwith said slide, a stop-pin to prevent move ment of the latter on thebase, a slidable, pivotal connection between the upper end of the braceand said platform-support, and means to lock said connection to theplatform-support.

6. A roof-bracket comprising an elongated bate adapted to rest upon theroof and having oppositely and downwardly inclined longitudinal edges, ahook-like ridge-holder secured to one end of the base, two slidesembracing the inclined edges of the base and longitudinally movablethereupon, means to hold the slides in adjusted position when thebracket is in use, a platform-support pivotally connected with the slidenearer the ridge-holder, a brace pivotally connected at its lower endwith the other slide, a longitudinally-movable slide on theplatform-support, pivotally connected with the upper end of the brace,and a'device to lock said slide to the platform-support.

7. A roof-bracket comprising an elongated base, a ridge-holder rigidlyconnected therewith, a slide longitudinally movable on the base andhaving upturned parallel ears, a platform-support having a series ofholes eX- tended therethrough from side to side, a removable pin adaptedto pass through the ears and one of the holes of the platform-support,to connect the latter at one end, or intermediate its ends, .With theslide, means to prevent movement of the latter on the base, a secondslide on the latter, means to prevent its movement, a rigid brace,pivotally connected at its lower end to the second slide, a pivotal,longitudinally-slidable connection between the upper end of the braceand the platform-support, and means to lock said connection fromlongitudinal movement on said platform-support.

8. A roof-bracket comprising an elongated base having its oppositelongitudinal edges shod with metal, an attached ridge-holder,

two slides movable longitudinally on the base as a guideway and eachhaving upturned, parallel cars, a platform-support having itslongitudinal edges shod with metal, a pivotal connection between theplatform-support and the ears of the upper of said slides, a slidelongitudinally movable on the platform-support and having dependingparallel cars, a brace inserted at its upper end between said ears andat its lower end inserted between the ears of the second slide on thebase, pivot-pins connecting the brace and said slides, and means toprevent movement of the platform-support and brace relatively .to eachother and to the base.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

JAMES L. CHASE.

Witnesses:

JOHN C. EDWARDS. EMILY C. HODGES.

